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Permissible ambient temperature
Relative humidity
Permissible media temperature
in the liquid end
Page 38 of 88 pages
Commissioning
11
Commissioning
11.1
General instructions
WARNING:
The metering pump may still contain water in the liquid end
from the test at the factory!
For media which may not come into contact with water, the
water must be emptied before the pump is used. For this
purpose turn the pump 180
rinse with a suitable agent via the suction connection from
above.
ATTENTION:
Only set the settings when the pump is running and when the
setting bolt of the metering stroke is briefly relieved.
11.2
Operating conditions
-10 °C to +45 °C
up to +50 °C with short time operation up to 1 hour operating time at max.
stroking rate;
above +45 °C continuous operation the max. stroking rate must be
lowered for each 1 °C by approx. 3 strokes per minute from the max.
stroking rate.
10 to 92%, non-condensing
Material
Long term at max.
permissible counter pressure
45 °C
NP
50 °C
PP
50 °C
TT
50 °C
SS
PLEASE NOTE:
A brief excess of the specified temperatures is for example only
permissible for sterilisation or rinsing with hot water!
11.3
Suction capacity/bleeding
The max. priming lift of the gamma 4a metering pump with dampened
valves is between 0.5 and 2.8 mWC depending on the type.
The pump cannot prime against a head.
The suction lift with the liquid end filled and bled is between 1.5 - 6 mWC
depending on the type of pump.
°
and empty the liquid end, then
Short term
max. 15 mins. at 2 bar
60 °C
100 °C
120 °C
120 °C
Version 2.0
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